Setting her own style agenda since opening her first London boutique in the 1970, <b><a href="http://www.selfridges.com/cat/Vivienne-Westwood/" style="text-decoration: none"><font color="black">Vivienne Westwood</font></a></b> is renowned for her rebellious and avant-garde aesthetic. That means that even when the design is a simple shirt, she’ll put the right details in place to take it to the next level. This pure cotton iteration maintains a classic fit throughout but it’s crowned with a straight-point collar and the designer’s signature orb levitating at the chest.